Home / 991,837.46-1,487,196.21-907,200.56

Finding the Fourth Proportional to 991,837.46, 1,487,196.21 and 907,200.56

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Solution

The fourth proportional to 991,837.46, 1,487,196.21 and 907,200.56 is: 1,360,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,837.46 : 1,487,196.21 = 907,200.56 : x
  2. Step 2: Convert to fraction form
    991,837.46/1,487,196.21 = 907,200.56/x
  3. Step 3: Cross multiply
    991,837.46x = 1,487,196.21 × 907,200.56
  4. Step 4: Simplify right side
    991,837.46x = 1,349,185,234,541.88
  5. Step 5: Solve for x
    x = 1,349,185,234,541.88/991,837.46
  6. Step 6: Final answer
    x = 1,360,288.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.